Great and small game of Africa : an account of the distribution, habits, and natural history of the sporting mammals, with personal hunting experiences /
Date 1899
Source http://www.biodiversitylibrary.org/pageimage/37141871
Author A. J. Arnold; H. A. Bryden
Source: https://commons.wikimedia.org/wiki/File:Great_and_small_game_of_Africa_BHL37141871.jpg

The okapi (Okapia johnstoni) is a giraffid artiodactyl mammal native to the northeast of the Democratic Republic of the Congo in Central Africa. Okapis are primarily diurnal but may be active for a few hours in darkness. They are essentially solitary, coming together only to breed. Okapis are herbivores, feeding on tree leaves and buds, grasses, ferns, fruits, and fungi.